When the backup facilities are activated , air traffic controllers can be re - deployed quickly to man the backup centre and tower , thus bringing the disturbance to normal air traffic to a minimum level 当备用设施需要启用时，民航处可即时调配空管人员至备用空管中心和指挥塔工作，从而把意外对正常航空交通造成的影响减至最低。
A backup air traffic control centretower constructed to the north of the atcx is available for operational use in the event normal services provided in the atcx are disrupted by unforeseen circumstances 倘在不可预见的情况下，航管大楼的正常服务受到干扰，位于航管大楼以北的备用航空交通管制中心及指挥塔的备用设施可即时投入运作。
An extra 12 . 5 per cent will be deployed to work in the air traffic control centre and the air traffic control tower during the peak traffic period of the chinese new year to ensure safe , smooth and efficient air traffic operations 在农历新年航空交通繁忙期间，该处将增派百分之十二点五的人手在航空交通管制中心和指挥塔工作，确保航空交通运作安全、畅顺和有效率。
Speaking at the implementation ceremony held at the backup air traffic control tower , mr albert lam , director - general of civil aviation highlighted that the new service gave an alternative means of communicating pre - departure air traffic control clearances between pilots and air traffic controllers 民航处处长林光宇在备用航空交通指挥塔主持有关服务启用仪式时指出，新服务可提供多一个途径，让飞行员和航空交通管制员互相沟通，传达起飞前放行指示。
This is a computerised voice communication system between pilots and air traffic controllers , and between air traffic control positions in the air traffic control centre , aerodrome control tower , rescue coordination centre and aeromobile centre by using pre - set switching and distribution of various aeronautical frequencies and direct communication lines . the new computerised system will enhance the overall efficiency in communications 让机师与管制员之间，或航空交通管制中心、指挥塔、援救协调中心和航空通讯中心内各不同管制岗位之间，能用预先设定的系统作直接通话，包括可转换和发布的航空通讯频道和直接通讯线路等。
